Tuesday

October 21, 2014

October 21, 2014

Posted by **CHRIS** on Thursday, December 19, 2013 at 1:03pm.

cos1*cos(1/2)*cos(1/4)*cos(1/8)*cos(1/16)*...*cos(1/2^n)

- Calculus -
**Steve**, Thursday, December 19, 2013 at 3:52pmSince sinc(1) = cos(1/2)*cos(1/4)*cos(1/8)*cos(1/16)*...*cos(1/2^n)

the limit here is cos(1)sinc(1) = cos(1)sin(1) = 0.4546...

You can read about sinc(x) in various places. This function doesn't usually pop up in introductory calculus courses.

**Answer this Question**

**Related Questions**

calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...

Calc. - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln...

math - Determine exact value of cos(cos^-1(19 pi)). is this the cos (a+b)= cos a...

pre-cal - Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos ...

Math - Calculus - The identity below is significant because it relates 3 ...

maths - Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic ...

maths - Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic ...

Math - Solving Trig Equations - What am I doing wrong? Equation: sin2x = 2cos2x ...

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...